Modular tower structure
CA 2424599 A1 · Owner: Rioux, Andre · Inventors: Rioux, Andre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A modular tower structure for carrying electricity transmission cables communication, equipment comprising a plurality of rectangular aluminum modular units fixed one to, another in vertical alignment, wherein each modular unit has a height width, breadth and, sides, which have a plurality of apertures the improvement wherein the width , and breadth are essentially equal and of 46 ~ 1 cm and the length is selected , from 2.0 -2,5 m. The tower contains less aluminium used while improving on the structural strength of, the tower.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 4, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 4, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 4, 2025.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.